In response to the random killings, psychiatrist Simon Roussel wrote a letter indicating that patients in Laval couldn't be properly monitored because of a psychiatrist shortage.
Local police were called to Résidence l'Étincelle at around 6 p.m. on Saturday after two people, a man and a woman, were found unconscious inside a unit at the home.
The coroner says the family minivan was going 135 kilometres per hour and there was no attempt to brake when the vehicle swerved into oncoming traffic and hit the truck head-on.
Authorities say they will be withholding details around the injuries and circumstances of his death to avoid jeopardizing the investigation. No arrests have been made.